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|
#!/bin/bash
###### Set some default variables ######
TITLE="Parabola GNU/Linux-libre Installation Framework"
LOG="/dev/tty7"
LIB_CORE=/usr/lib/aif/core
LIB_USER=/usr/lib/aif/user
RUNTIME_DIR=/tmp/aif
LOG_DIR=/var/log/aif
LOGFILE=$LOG_DIR/aif.log
DISCLAIMER="Note that despite our careful coding and proper testing there may still be bugs in this software.\n
When you are doing this installation on a system where some data must be preserved, we suggest you make a backup first"
export LC_COLLATE=C # for consistent sorting behavior
###### Early bootstrap ######
# load the lib-ui, it is one we need everywhere so we must load it early.
source $LIB_CORE/libs/lib-ui.sh || { echo "Something went wrong while sourcing library $LIB_CORE/libs/lib-ui.sh" >&2 ; exit 2; }
ui_init
# load the lib-flowcontrol. we also need some of it's functions early (like usage()).
source $LIB_CORE/libs/lib-flowcontrol.sh || { echo "Something went wrong while sourcing library $LIB_CORE/libs/lib-flowcontrol.sh" >&2 ; exit 2; }
# lib-misc. we need it early, at least for check_is_in whis is used by the debug function.
source $LIB_CORE/libs/lib-misc.sh || { echo "Something went wrong while sourcing library $LIB_CORE/libs/lib-misc.sh" >&2 ; exit 2; }
# default function to process additional arguments. can be overridden by procedures.
process_args ()
{
true
}
###### perform actual logic ######
echo "Welcome to $TITLE"
[[ $EUID -ne 0 ]] && die_error "You must have root privileges to run AIF"
mount -o remount,rw / &>/dev/null
cleanup_runtime
needed_pkgs_fs= # will hold extra needed packages for blockdevices/filesystems, populated when the Fs'es are created
### Set configuration values ###
# note : you're free to use or ignore these in your procedure. probably you want to use these variables to override defaults in your configure worker
#DEBUG: don't touch it. it can be set in the env
arg_ui_type=
LOG_TO_FILE=0
module=
procedure=
# in that case -p needs to be the first option, but that's doable imho
# an alternative would be to provide an argumentstring for the profile. eg aif -p profile -a "-a a -b b -c c"
# you can override these variables in your procedures
var_OPTS_STRING=""
var_ARGS_USAGE=""
# Processes args that were not already matched by the basic rules.
process_args ()
{
# known options: we don't know any yet
# return 0
# if we are still here, we didn't return 0 for a known option. hence this is an unknown option
usage
exit 5
}
# Check if the first args are -p <procedurename>. If so, we can load the procedure, and hence $var_OPTS_STRING and process_args can be overridden
if [ "$1" = '-p' ]
then
[ -z "$2" ] && usage && exit 1
# note that we allow procedures like http://foo/bar. module -> http:, procedure -> http://foo/bar.
if [[ $2 =~ ^http:// ]]
then
module=http
procedure="$2"
elif grep -q '\/' <<< "$2"
then
#user specified module/procedure
module=`dirname "$2"`
procedure=`basename "$2"`
else
module=core
procedure="$2"
fi
shift 2
fi
# If no procedure given, bail out
[ -z "$procedure" ] && usage && exit 5
load_module core
[ "$module" != core -a "$module" != http ] && load_module "$module"
# this is a workaround for bash <4.2, where associative arrays are inherently local,
# so we must source these variables in the main scope
source $LIB_CORE/libs/lib-blockdevices-filesystems.sh
load_procedure "$module" "$procedure"
while getopts ":i:dlp:$var_OPTS_STRING" OPTION
do
case $OPTION in
i)
[ -z "$OPTARG" ] && usage && exit 1 #TODO: check if it's necessary to do this. the ':' in $var_OPTS_STRING might be enough
[ "$OPTARG" != cli -a "$OPTARG" = !dia ] && die_error "-i must be dia or cli"
arg_ui_type=$OPTARG
ui_init
;;
d)
export DEBUG=1
LOG_TO_FILE=1
;;
l)
LOG_TO_FILE=1
;;
p)
die_error "If you pass -p <procedurename>, it must be the FIRST option"
;;
h)
usage
exit
;;
?)
# If we hit something elso, call process_args
process_args -$OPTION $OPTARG # you can override this function in your profile to parse additional arguments and/or override the behavior above
;;
esac
done
# Set pacman vars. allow procedures to have set $var_TARGET_DIR (TODO: look up how delayed variable substitution works. then we can put this at the top again)
# flags like --noconfirm should not be specified here. it's up to the procedure to decide the interactivity
# NOTE: Pacman will run with currently active locale, if you want to parse output, you should prefix with LANG=C
PACMAN=pacman
PACMAN_TARGET="pacman --root $var_TARGET_DIR --config /tmp/pacman.conf"
start_installer
start_process
stop_installer
|
